test/ScopDetect/expand-region-correctly-2.ll

   1 ; RUN: opt %loadPolly -polly-detect \
   2 ; RUN:     -analyze < %s | FileCheck %s
   3 ;
   4 ; CHECK: Valid Region for Scop: if.end.1631 => for.cond.1647.outer
   5 ;
   6 target triple = "x86_64-unknown-linux-gnu"
   7
   8 ; Function Attrs: nounwind uwtable
   9 define void @qtm_decompress() #0 {
  10 entry:
  11   br label %if.end.1631
  12
  13 if.end.1631:                                      ; preds = %entry
  14   br i1 false, label %for.cond.1647.preheader, label %if.then.1635
  15
  16 if.then.1635:                                     ; preds = %if.end.1631
  17   br label %for.cond.1647.preheader
  18
  19 for.cond.1647.preheader:                          ; preds = %if.then.1635, %if.end.1631
  20   br label %for.cond.1647.outer
  21
  22 for.cond.1647.outer:                              ; preds = %do.end.1685, %for.cond.1647.preheader
  23   %bits_needed.5.ph = phi i8 [ 8, %for.cond.1647.preheader ], [ undef, %do.end.1685 ]
  24   br label %for.cond.1647
  25
  26 for.cond.1647:                                    ; preds = %do.cond.1718, %for.cond.1647.outer
  27   %bits_needed.5 = phi i8 [ 8, %do.cond.1718 ], [ %bits_needed.5.ph, %for.cond.1647.outer ]
  28   br i1 undef, label %do.cond.1718, label %if.then.1659
  29
  30 if.then.1659:                                     ; preds = %for.cond.1647
  31   br i1 false, label %do.end.1685, label %cleanup.1785
  32
  33 do.end.1685:                                      ; preds = %if.then.1659
  34   br label %for.cond.1647.outer
  35
  36 do.cond.1718:                                     ; preds = %for.cond.1647
  37   br i1 false, label %land.lhs.true.1736, label %for.cond.1647
  38
  39 land.lhs.true.1736:                               ; preds = %do.cond.1718
  40   br label %if.then.1742
  41
  42 if.then.1742:                                     ; preds = %land.lhs.true.1736
  43   unreachable
  44
  45 cleanup.1785:                                     ; preds = %if.then.1659
  46   ret void
  47 }
  48
  49 attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
  50
  51 !llvm.ident = !{!0}
  52
  53 !0 = !{!"clang version 3.8.0 (trunk 250010) (llvm/trunk 250018)"}